CN106930231B - A kind of construction method applied to engineering flood bank reinforcing of passing the flood period - Google Patents
A kind of construction method applied to engineering flood bank reinforcing of passing the flood period Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 100
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 21
- 238000012423 maintenance Methods 0.000 claims abstract description 5
- 239000004575 stone Substances 0.000 claims description 45
- 239000000178 monomer Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000002689 soil Substances 0.000 claims description 20
- 239000004746 geotextile Substances 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 18
- 239000011440 grout Substances 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 claims description 8
- 230000008901 benefit Effects 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
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- 239000000203 mixture Substances 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 3
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- 238000002789 length control Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000012876 topography Methods 0.000 claims description 3
- 235000013599 spices Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 10
- 239000004568 cement Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000012271 agricultural production Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 235000011194 food seasoning agent Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
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- 244000025254 Cannabis sativa Species 0.000 description 1
- 239000004278 EU approved seasoning Substances 0.000 description 1
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- 230000032683 aging Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000011549 displacement method Methods 0.000 description 1
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- 230000001012 protector Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/066—Quays
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of construction methods applied to engineering flood bank reinforcing of passing the flood period, and include the following steps: (a) Construction Specifications；(b) earthwork is filled；(c) former dike maintenance；(d) spats is constructed；(e) waterwall is built；(f) grassed slope；(g) levee crown road construction.The reasonable arrangement construction time of the present invention, the construction period is short, and construction cost is low, and operability is low, and construction efficiency is high, improves the anti-flood capacity of flood bank, easy to maintain.
Description
Technical field
The invention belongs to flood control field more particularly to a kind of construction parties applied to engineering flood bank reinforcing of passing the flood period
Method.
Background technique
China big and medium-sized cities about 90% are on the verge of rivers,lakes and seas, are all threatened by a degree of flood, wherein more than 100 big
Middle urban ground is below river level or tidal level.Since the numerous populations in city, wealth are concentrated, city is as local political affairs again
It controls, economy, culture, traffic, communication, the centers such as information, once the loss that flood causes disaster on later unit area is very huge.
Urban flood dyke refers to river inundation in order to prevent and the dyke building built.Flood bank can resist flood, for example,
The flood bank of Mississippi bank can be always maintained at drying before spring flooding.River water in flood bank can more than
Rise, but not pours in adjoining land.Urban flood dyke can protect resident's life security in scope of conservation area, from property
Loss.But flood bank seriously affects urban economy development once breach or unrestrained dike, flood will drown out urban area.
Presently, there are the problem of: flood bank aging is in bad repair, due to build it is more early, by washing away for many years water flow, flood bank
Sky much is washed in a pan, lacks integrated planning, does not focus on Slope Construction, it is not time-consuming that flood control standard is low, and there are many flood bank reinforcement means
Arduously, palliative, fail the security risk for eliminating dykes and dams, is exactly costly, maintenance inconvenience.
Summary of the invention
Above-mentioned technical problem present in present invention aims to solve the prior art provides a kind of applied to engineering of passing the flood period
The construction method that flood bank is reinforced, the reasonable arrangement construction time, the construction period is short, and construction cost is low, operational low, construction efficiency
Height improves the anti-flood capacity of flood bank, easy to maintain.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of construction method applied to engineering flood bank reinforcing of passing the flood period, it is characterised in that include the following steps:
(a) Construction Specifications: according to design working drawing, dike line is divided into unit construction area and constructed by staff,
In 500~800m, the construction time is synchronous for the length control of unit construction area, or mutually overlap joint；
(b) earthwork is filled: it is excavated using excavator, cleaning slope foot to the fertile soil on top of the slope surface layer, silt and silt stone,
It is filled with basic original soil, stone is layered using bull-dozer, paving soil thickness is 30~40cm, and tire rolls 3~4 times back and forth, each
Filling segment length is 100~120m, and adjacent segment joins slope control in 1:4~1:3, and height difference is less than 1.8m；
(c) it former dike maintenance: is excavated from elastic seam, then uses base in the place that original flood bank bottom is emptied, collapsed
The joining place of plinth original soil rammed, stone masonry and concrete adds to be consolidated with reinforcing bar；The ground fallen is removed for original flood bank bottom
It is removed from the place of falling toward the stone masonry counter dam that levee crown direction extends to 50~60cm, then is built again in side；
(d) spats is constructed: into galvanized wire cage net cage, layering loads block building stones, and every layer of filling-up thickness is 15~25cm, basis
Bottom and the block building stones partial size of top layer are greater than the block building stones partial size of middle layer, exposed block of building stones by manually building base, and
It puts neatly, block building stones corner angle is avoided directly to contact with web material, then carry out plug with small particle building stones at gap and fill out, load and complete
Afterwards, ancestor carefully and neatly puts down, then carries out cover board and be twisted, and fastens using steel wire is bifilar, binds spacing≤20cm, after cover board is twisted, owns
Twisted edge is in straight line, and twisting point steel wire close proximity guarantees that galvanized wire cage in same level, is completed in the surface of same layer
Galvanized wire cage basis is embedded in slope foot bottom by fundamental construction, and block building stones of jettisoninging are backfilled；
(e) it building waterwall: constructing since slope foot to top of the slope, the artificial blotter that is laid with simultaneously makes real, with a thickness of 10~
15cm is laid with one layer of geotextiles on it, and the concrete cover of 80~100cm thickness is then laid in geotextiles, and tamps
It is smooth, a gear waterwall is built every 40~50m from top to bottom, be staggered arrangement between adjacent waterwall, and waterwall is by 4~5
Barricade body composition；
(f) grassed slope: checking slope leveling degree, outstanding block of building stones and sharp sundries is removed, then on slope surface upper berth
If a layer thickness be 10~12cm surface soil, using artificial graft, since slope foot to top of the slope follow closely turfing, every 2~3 days into
Row water seasoning；
(g) levee crown road construction: then advanced row constructing road foundation carries out armored concrete surface construction, finally supports
Shield.
Further, barricade body includes barricade monomer in step (e), and the antetheca of barricade monomer is upstream face, barricade monomer
Rear wall is back side, and the slope ratio of back side is 1:0.6~1:0.5, is evenly distributed with expansion joint on barricade monomer, fills out in expansion joint
Filled with pitch deals, the side of barricade monomer is equipped with fixed lobe, and the other side of barricade monomer is equipped with grout groove, grout groove and solid
Determine protrusion to match, the bottom of barricade monomer is equipped with anchor rod, when barricade body or so is piled up, will be in left side barricade monomer
Fixed lobe is embedded into the grout groove in the right barricade monomer, then cement slurry is injected into grout groove, so that left and right is adjacent
Barricade monomer be bonded together, mutually restrain, can not disengage, enhance the stability after barricade body or so is piled up, composition gear
Waterwall, easy for construction, construction efficiency is high, and anti-wave impact is strong, and flood fighting effect is good.
Further, in step (a) when each different dike section carries out the reinforcing of original flood bank, each dike section is newly-built
Dike culverts and water gates is worn, dike culverts and water gates is worn and plays an important role to flood control, water drainage, to meet the need of local agricultural production and people's lives
It wants.
Further, it is newly-built wear dike culverts and water gates when, using cofferdam water retaining, the construction method of nonirrigated farmland fluting is standby before cofferdam construction
Sufficient woven bag and earth material, when cofferdam construction, construct in strict accordance with design working drawing, guarantee construction quality, improve construction effect
Rate.
Further, it in step (d) during loading block building stones, is carried out by the way of formwork erection outside galvanized wire cage net cage auxiliary
Support is helped, prevents net cage from deforming, keeps net cage corner angle clearly demarcated, full, raising filling compactness and intensity are loaded in net cage.
Further, in step (d) before block building stones of jettisoninging, underwater topography situation is first measured, and according to design working drawing
Jackstone amount is checked, the jackstone crest level position higher than working water level is directly jettisoninged using dump truck, and jackstone crest level is than construction
The low position of water level then uses ship to throw, and reasonable arrangement construction way can be improved construction efficiency, shorten the construction period.
Further, the specific practice that geotextiles are laid in step (e) is, with ship lower berth, soil when underwater portion takes advantage of low tide
Work cloth rolls shipment well by " Z " font, and adds clump weight in geotextiles lower part, ship is then sailed out of bank, after cloth stretches, together
When clump weight is pushed into water, so that geotextiles is uniformly sunk, then using being manually laid with from top to bottom, geotextiles can hinder above water
It cuts off the water supply point infiltration downwards, reduces levee body and leakage phenomenon occurs in levee foundation, reasonable arrangement is constructed way, and construction efficiency can be improved, contract
Casual labourer's phase.
Further, the specific practice of constructing road foundation is first surveying and locating in step (g), according to the Song Puhou calculated
Degree carries out the piling hanging wire of dykes and dams, and dumper is opened and is transported to construction site, concentrates and carries out spice, artificial scene paves, carrying out
It is rolled when road surface is rolled from two sides to center, levee crown road needs the weight of all kinds of heavy construction vehicles of long-time bearing, guarantees road surface base
Layer construction quality, improves bearing capacity, can reduce later period pavement preservation cost.
The present invention is by adopting the above-described technical solution, have the advantages that
The present invention improves the shock-absorbing capacity of flood bank slope foot by building galvanized wire cage basis, and intensity is high, loads compactness
Greatly, so that flood bank bottom is not easy to be emptied, it is able to maintain permanent performance benefit, improves the service life of flood bank；From slope foot
A gear waterwall is built every 40~50m to top of the slope, the impact of wave is born by waterwall, reduces slope wash, saves city
Soil, be staggered between adjacent waterwall arrangement, and water blocking range is big, and flood fighting effect is strong；Waterwall is made of 4~5 barricade bodies, gear
Wall or so combination is convenient, flexible, and the fixed lobe in left side barricade monomer is embedded into the filling in the right barricade monomer
In stock tank, then cement slurry is injected into grout groove, so that the adjacent barricade monomer in left and right is bonded together, mutually restrain, it can not
It disengages, enhances the stability after barricade body or so is piled up, form waterwall, easy for construction, construction efficiency is high, anti-wave impact
By force, flood fighting effect is good.The reasonable arrangement construction time of the present invention, the construction period is short, and construction cost is low, operational low, construction efficiency
Height improves the anti-flood capacity of flood bank, easy to maintain.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the structural schematic diagram of barricade body in the present invention；
Fig. 2 be Fig. 1 in A to structural schematic diagram；
Fig. 3 be Fig. 1 in B to structural schematic diagram；
Fig. 4 be the present invention in barricade body pile up after structural schematic diagram；
Fig. 5 is a kind of flow diagram of the construction method applied to engineering flood bank reinforcing of passing the flood period of the present invention.
In figure: 1- barricade monomer；2- upstream face；3- back side；The expansion joint 4-；5- fixed lobe；6- grout groove；7- anchoring
Bar.
Specific embodiment
It as shown in Figures 1 to 5, is a kind of construction method applied to engineering flood bank reinforcing of passing the flood period of the present invention, including such as
Lower step:
(a) Construction Specifications: according to design working drawing, dike line is divided into unit construction area and constructed by staff,
Facilitate construction management, in 500~800m, the construction time is synchronous for the length control of unit construction area, or mutually overlap joint, rationally
The construction time is arranged, the construction period can be shortened, reduce cost.When each different dike section carries out the reinforcing of original flood bank, often
One dike section is all newly-built to wear dike culverts and water gates, wears dike culverts and water gates and plays an important role to flood control, water drainage, with meet local agricultural production and
The needs of people's lives.It is newly-built wear dike culverts and water gates when, using cofferdam water retaining, the construction method of nonirrigated farmland fluting is standby before cofferdam construction
Sufficient woven bag and earth material strive for that success is filled in disposable cofferdam.It constructs when cofferdam construction in strict accordance with design working drawing, respectively
The construction in kind cofferdam and discharge structure, it is stringent to be carried out by the pertinent regulations of technical clause and requirement, guarantee construction quality, improves
Construction efficiency.The quality of filling soil that must also reinforce pattern handling and junction to building and dyke junction controls, and carries out
The loaded filter of downstream side is sewed in contact, with guarantee building and dyke junction have enough seepage paths and contact stitch between do not occur
Concentrate seepage flow.Before carrying out containing body concreting, in working face erection construction framed bent, typified form is installed, sets and slips on framed bent
Cylinder, on the trestle that framed bent is barricaded as, with the clinker of manpower rubber-tired cart transport concrete, is transported to chute, then puts in storage.Artificial
After closing a position, with vibrator vibration compacting, smooth surface is manually smoothed out.
(b) earthwork is filled: it is excavated using excavator, cleaning slope foot to the fertile soil on top of the slope surface layer, silt and silt stone,
It is filled with basic original soil, stone is layered using bull-dozer, paving soil thickness is 30~40cm, and tire rolls 3~4 times back and forth, each
Filling segment length is 100~120m, and adjacent segment joins slope control in 1:4~1:3, and height difference is less than 1.8m, narrow for filling area
Small corner part or with levee body building faying face, when cal rolling difficulty, using mechanical stone hand compaction, fill surface construction
Period pays attention to draining, and guarantees earthwork filled soils, improves levee foundation compactness, reduces leakage phenomenon.
(c) it former dike maintenance: is excavated from elastic seam, then uses base in the place that original flood bank bottom is emptied, collapsed
Plinth original soil rammed, improves that cement grade, adjustment mortar is matched and ratio when construction, and the joining place of stone masonry and concrete, which adds, uses reinforcing bar
Consolidate；The place fallen is removed for original flood bank bottom, extends to grouting for 50~60cm from the place of falling toward levee crown direction
Stone counter dam is removed, then is built again, improves that cement grade, adjustment mortar is matched and ratio when construction, if do not repair as early as possible by
The corner protector and slope protection of damage, the flood bank built up will gradually lose protective action, and directly threaten the life of the people.
(d) spats is constructed: into galvanized wire cage net cage, layering loads block building stones, and every layer of filling-up thickness is 15~25cm, basis
Bottom and the block building stones partial size of top layer are greater than the block building stones partial size of middle layer, and the lesser stone of a small amount of partial size is used in net cage
It is used as leveling, guarantees that net cage is smooth, stablizes, exposed block of building stones is put neatly by manually building base, avoid block building stones rib
Angle is directly contacted with web material, in order to avoid steel wire is had an impact.If there is gap, then plug is carried out with small particle building stones and filled out.It is filling out
During filling block building stones, Auxiliary support is carried out by the way of formwork erection outside galvanized wire cage net cage, prevents net cage from deforming, makes net cage rib
Angle is clearly demarcated, and full, raising filling compactness and intensity are loaded in net cage.After the completion of filling, ancestor is carefully and neatly put down, it is ensured that is loaded close
It is real.It is twisted that cover board is carried out again, is fastened using steel wire is bifilar, spacing≤20cm is bound, and after cover board is twisted, all twisted edges are in one
Straight line, twisting point steel wire close proximity guarantee that galvanized wire cage fundamental construction in same level, is completed in the surface of same layer, will
Galvanized wire cage basis is embedded in slope foot bottom, and block building stones of jettisoninging are backfilled, and using block placement of fill material displacement method, handles levee toe soft base
Plinth improves levee toe intensity, prevents levee toe from avalanche occur.Before block building stones of jettisoninging, underwater topography situation is first measured, and according to setting
It counts construction drawing and checks jackstone amount, the jackstone crest level position higher than working water level is directly jettisoninged, jackstone is risen using dump truck
The journey position lower than working water level then uses ship to throw, and reasonable arrangement construction way can be improved construction efficiency, shorten the construction period.
(e) it building waterwall: constructing since slope foot to top of the slope, the artificial blotter that is laid with simultaneously makes real, with a thickness of 10~
15cm is laid with one layer of geotextiles on it, and the specific practice for being laid with geotextiles is, with ship lower berth when underwater portion takes advantage of low tide,
Geotextiles roll shipment well by " Z " font, and add clump weight in geotextiles lower part, and ship is then sailed out of bank, after cloth stretches,
Clump weight is pushed into water simultaneously, geotextiles is made uniformly to sink, above water is then used and is manually laid with from top to bottom, geotextiles energy
Blocks moisture is permeated downwards, reduces levee body and leakage phenomenon occurs in levee foundation, and construction efficiency can be improved in reasonable arrangement construction way,
It shortens the construction period.Then it is laid with the concrete cover of 80~100cm thickness in geotextiles, and tamps smooth.From top to bottom every
40~50m builds a gear waterwall, and the impact of wave is born by waterwall, reduces slope wash, saves urban land, adjacent gear
Be staggered arrangement between waterwall, and water blocking range is big, and flood fighting effect is strong.Waterwall is made of 4~5 barricade bodies, and barricade body includes gear
Wall monomer 1, the antetheca of barricade monomer 1 are upstream face 2, and upstream face 2 is vertical plane, and the rear wall of barricade monomer 1 is back side 3, back
The slope ratio of the water surface 3 is 1:0.6~1:0.5, is evenly distributed with expansion joint 4 on barricade monomer 1, expansion joint 4 is for realizing due to temperature
The variation that degree variation generates the elongation of barricade monomer 1, expansion joint 4 is interior to be filled with pitch deals, and pitch deals has elasticity, is conducive to
Barricade monomer 1 stretches, and waterproof.The side of barricade monomer 1 is equipped with fixed lobe 5, and the other side of barricade monomer 1 is equipped with
Grout groove 6, grout groove 6 match with fixed lobe 5, and the bottom of barricade monomer 1 is equipped with anchor rod 7, and the setting of anchor rod 7 is convenient
It is stable and firm by 1 earth anchor of barricade monomer in slope surface.When barricade body or so is piled up, the fixation of left side barricade monomer 1 will be in
Protrusion 5 is embedded into the grout groove 6 in the right barricade monomer 1, then injects cement slurry into grout groove 6, so that left and right is adjacent
Barricade monomer 1 be bonded together, mutually restrain, can not disengage, enhance the stability after barricade body or so is piled up, composition gear
Waterwall, easy for construction, construction efficiency is high, and anti-wave impact is strong, and flood fighting effect is good.
(f) grassed slope: checking slope leveling degree, outstanding block of building stones and sharp sundries is removed, then on slope surface upper berth
If a layer thickness is the surface soil of 10~12cm, using artificial graft, turfing is followed closely to top of the slope since slope foot, turf selects horsewhip
Grass, the thickness uniformity of turf, every 2~3 days progress water seasonings, grassed slope construction is simple was at low cost, can reduce water
Soil flow is lost, and slope wash is mitigated, and protection effect is good.
(g) levee crown road construction: advanced row constructing road foundation, the specific practice of constructing road foundation are that first measurement is put
Sample carries out the piling hanging wire of dykes and dams according to the loose laying depth calculated, dumper is opened and is transported to construction site, and concentration is mixed
Material, artificial scene pave, and roll when carrying out road surface and rolling from two sides to center, and levee crown road needs all kinds of large-scale works of long-time bearing
The weight of journey vehicle guarantees constructing road foundation quality, improves bearing capacity, can reduce later period pavement preservation cost.Then steel is carried out
Reinforced concrete surface construction, experimenter carries out stone material, the screening of sand and stability, cement first before being constructed
Intensity experiment etc., will construct again after experimental result declaration.Cement and pressure in the stirring of concrete, using standard
Formula blender, when proportion, will be determined according to Practical Project, finally conserve.
The present invention improves the shock-absorbing capacity of flood bank slope foot by building galvanized wire cage basis, and intensity is high, loads compactness
Greatly, so that flood bank bottom is not easy to be emptied, it is able to maintain permanent performance benefit, improves the service life of flood bank；From slope foot
A gear waterwall is built every 40~50m to top of the slope, the impact of wave is born by waterwall, reduces slope wash, saves city
Soil, be staggered between adjacent waterwall arrangement, and water blocking range is big, and flood fighting effect is strong；Waterwall is made of 4~5 barricade bodies, gear
Wall or so combination is convenient, flexible, and the fixed lobe 5 in left side barricade monomer 1 is embedded into the right barricade monomer 1
In grout groove 6, then into grout groove 6 cement slurry is injected, so that the adjacent barricade monomer 1 in left and right is bonded together, mutually restrained,
It can not disengage, enhance the stability after barricade body or so is piled up, form waterwall, easy for construction, construction efficiency is high, anti-wave punching
Hitting property is strong, and flood fighting effect is good.The reasonable arrangement construction time of the present invention, the construction period is short, and construction cost is low, and operability is low, construction
It is high-efficient, the anti-flood capacity of flood bank is improved, it is easy to maintain.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (8)
1. a kind of construction method applied to engineering flood bank reinforcing of passing the flood period, it is characterised in that include the following steps:
(a) Construction Specifications: according to design working drawing, dike line is divided into unit construction area and constructed by staff, unit
In 500~800m, the construction time is synchronous for the length control of construction area, or mutually overlap joint；
(b) earthwork is filled: being excavated using excavator, clears up slope foot to the fertile soil on top of the slope surface layer, silt and silt stone, use base
Plinth original soil fills, and is layered stone using bull-dozer, paving soil thickness is 30~40cm, and tire is rolled 3~4 times back and forth, each filled
Segment length is 100~120m, and adjacent segment joins slope control in 1:4~1:3, and height difference is less than 1.8m；
(c) former dike maintenance: the place that original flood bank bottom is emptied, collapsed is excavated from elastic seam, then former with basis
The joining place of rammed earth, stone masonry and concrete adds to be consolidated with reinforcing bar；The place fallen is removed for original flood bank bottom, from
The place of falling is removed toward the stone masonry counter dam that levee crown direction extends to 50~60cm, then is built again；
(d) spats is constructed: into galvanized wire cage net cage, layering loads block building stones, and every layer of filling-up thickness is 15~25cm, subfoundation
It is greater than the block building stones partial size of middle layer with the block building stones partial size of top layer, exposed block of building stones are put by manually building base
Neatly, it avoids block building stones corner angle from directly contacting with web material, then carries out plug with small particle building stones at gap and fill out, after the completion of filling, first
Artificial leveling, then carry out cover board and be twisted, it is fastened using steel wire is bifilar, binds spacing≤20cm, after cover board is twisted, all twisted sides
Edge is in straight line, and twisting point steel wire close proximity guarantees that galvanized wire cage basis structure in same level, is completed in the surface of same layer
It builds, galvanized wire cage basis is embedded in slope foot bottom, block building stones of jettisoninging are backfilled；
(e) it building waterwall: constructing since slope foot to top of the slope, the artificial blotter that is laid with simultaneously makes real, with a thickness of 10~15cm,
On it be laid with one layer of geotextiles, then in geotextiles be laid with 80~100cm thickness concrete cover, and tamp it is smooth,
A gear waterwall is built every 40~50m from top to bottom, be staggered arrangement between adjacent waterwall, and waterwall is by 4~5 barricade bodies
Composition；
(f) grassed slope: checking slope leveling degree, removes outstanding block of building stones and sharp sundries, one is then laid in slope surface
Layer is followed closely turfing to top of the slope since slope foot, was poured every 2~3 days with a thickness of the surface soil of 10~12cm using artificial graft
Water curing；
(g) levee crown road construction: then advanced row constructing road foundation carries out armored concrete surface construction, finally conserves.
2. a kind of construction method applied to engineering flood bank reinforcing of passing the flood period according to claim 1, it is characterised in that: step
Suddenly barricade body includes barricade monomer in (e), and the antetheca of the barricade monomer is upstream face, and the rear wall of the barricade monomer is backwater
Face, the slope ratio of the back side are 1:0.6~1:0.5, are evenly distributed with expansion joint on the barricade monomer, in the expansion joint
Filled with pitch deals, the side of the barricade monomer is equipped with fixed lobe, and the other side of the barricade monomer is equipped with grout groove,
The grout groove matches with the fixed lobe, and the bottom of the barricade monomer is equipped with anchor rod.
3. a kind of construction method applied to engineering flood bank reinforcing of passing the flood period according to claim 1, it is characterised in that: step
Suddenly in (a) when each different dike section carries out the reinforcing of original flood bank, each dike section is newly-built to wear dike culverts and water gates.
4. a kind of construction method applied to engineering flood bank reinforcing of passing the flood period according to claim 3, it is characterised in that:
Newly-built when wearing dike culverts and water gates, using cofferdam water retaining, the construction method of nonirrigated farmland fluting before cofferdam construction, is prepared enough woven bag and earth material, is enclosed
It constructs when constructing in strict accordance with design working drawing on weir.
5. a kind of construction method applied to engineering flood bank reinforcing of passing the flood period according to claim 1, it is characterised in that: step
Suddenly in (d) during loading block building stones, Auxiliary support is carried out outside galvanized wire cage net cage by the way of formwork erection.
6. a kind of construction method applied to engineering flood bank reinforcing of passing the flood period according to claim 1, it is characterised in that: step
Suddenly in (d) before block building stones of jettisoninging, underwater topography situation is first measured, and jackstone amount, jackstone top are checked according to design working drawing
The elevation position higher than working water level, is directly jettisoninged using dump truck, and the jackstone crest level position lower than working water level is then adopted
It is thrown with ship.
7. a kind of construction method applied to engineering flood bank reinforcing of passing the flood period according to claim 1, it is characterised in that: step
Suddenly specific practice that geotextiles are laid in (e) is, with ship lower berth when underwater portion takes advantage of low tide, geotextiles are rolled well by " Z " font
Shipment, and clump weight is added in geotextiles lower part, ship is then sailed out of into bank, is pushed into water after cloth stretches, while by clump weight
In, so that geotextiles is uniformly sunk, above water is then used and is manually laid with from top to bottom.
8. a kind of construction method applied to engineering flood bank reinforcing of passing the flood period according to claim 1, it is characterised in that: step
Suddenly the specific practice of constructing road foundation is first surveying and locating in (g), and the piling of dykes and dams is carried out according to the loose laying depth calculated
Dumper is opened and is transported to construction site by hanging wire, concentrates and carries out spice, and artificial scene paves, when carrying out road surface and rolling from two sides
It is rolled to center.
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| CN107858998B (en) * | 2017-10-18 | 2019-07-09 | 深圳市东深工程有限公司 | A kind of barricade and construction method applied to engineering flood bank reinforcing of passing the flood period |
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| CN112761107A (en) * | 2020-12-24 | 2021-05-07 | 中国水电基础局有限公司 | Plain river channel bayonet levee and construction method thereof |
| CN112936590A (en) * | 2021-01-25 | 2021-06-11 | 邵四海 | Be applied to hydraulic engineering from dam break interim restoration cementer |
| CN113404007A (en) * | 2021-07-26 | 2021-09-17 | 北京丰润铭科贸有限责任公司 | Construction method of novel fast-assembly permanent dam |
| CN114775520B (en) * | 2022-05-06 | 2024-05-24 | 重庆交通大学 | Stretching assembly type emergency flood control structure and assembly construction method thereof |
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